>Is my assumption correct that I cannot really use the base
>Debian BIND configuration?
You can extend it adding your own zones.
>And can I assume that the modifications I make will be
>protected on update/upgrade with Debian usual grace?
Yes. But make your backups.
Regards.
--
Homepage : http://geocities.com/arhuaco
The first principle is that you must not fool yourself
and you are the easiest person to fool.
-- Richard Feynman.